Hyundai Tucson: Hands Free System / Hands Free Switch Repair procedures

Inspection
1.
Check the handsfree remote control switch for resistance between No.4 and No.5 terminals in each switch position.
[Call + Hang Up]

[Voice]

[Call + Hang Up]
Switch
Connector terminal
Resistance (±5%)
Output voltage (±0.16V)
Call
4-5 (Left)
40.91 kx
2.96V
Hang up
4-5 (Left)
18.91 kx
2.64V

[Voice]
Switch
Connector terminal
Resistance (±5%)
Output voltage (±0.22V)
Voice
4-5 (Right)
10.71 kx
2.29V

Removal
1.
Remove the driver airbag module.
(Refer to the RT group - "Airbag module")
2.
Remove the steering wheel.
(Refer to the ST group - "Steering column and shaft")
3.
Remove the steering wheel rear cover (A) after loosening the screws.

4.
Remove the handsfree remote switch (A) after loosening the screws.

Installation
1.
Install the handsfree remote switch to the steering wheel bezel.
2.
Install the steering wheel and bezel.
3.
Reconnect the handsfree remote control switch connector and airbag connectors.
   
Make sure that the switch connector is plugged in properly.
4.
Install the driver airbag module.
Hands Free Switch Components and Components Location
Component Location ...

Hands Free Mic Repair procedures
Inspection 1. Disconnect the negative(-) battery terminal. 2. Remove the roof trim. (Refer to the BD group - "Roof trim") 3. Remove the hands free mic (A) after loosening the connector an ...

Other information:

Hyundai Tucson (LM) 2010-2015 Service Manual: Evaporator Temperature Sensor Repair procedures
Inspection 1. Ignition "OFF". 2. Disconnect evaporator temperature sensor. 3. Using the multi-tester, Measure resistance between terminal "1" and "2" of evaporator temperature sensor. Specification Evaporator core temperature [°C (°F)]Resistance[Kx]-10 (14)18.010 (32)11.3810 (50)7.3 ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Description and Operation
Description The Evaporative Emission Control System prevents fuel vapor stored in fuel tank from vaporizing into the atmosphere. When the fuel evaporates in the fuel tank, the vapor passes through vent hoses or tubes to a canister filled with charcoal. The canister temporarily holds the v ...

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